have been lapping parts for decades.

The craftsmen at Sea-Lap

Expert Lapping. 

Super Precision.

Fast Deliveries.

lapping process

Lapping Services


  • Flat Lapping

  • Ball Seat Lapping

  • Mechanical Seals

  • Prototypes & Production

  • .100" to 40" Diameter Capacity

  • Parts as Thin as .003"

"We know that lapping is often one of the last processes for a job, and you've invested a lot of time and money by the time it reaches us."

hands with micrometers

Quality Assurance


  • Tolerances within 40 millionths

  • Parallelism within 50 millionths

  • Surface Finishes to 2Ra

  • Flatness within 1 Helium Lightband

  • Environmentally Safe Cleaning

"When there is no margin for error, there is no better choice than Sea-Lap."

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Contact us today for a free quote at (626) 332-2888 or mail@sea-lap.com.